Optic Nerve Disease:
There are many different things that affect the optic nerve and they have different affects on vision. Since the optic nerve is made up of retinal nerve fibers, diseases of the optic nerve have many symptoms similar to retinal diseases. They may mimic glaucoma or macular degeneration, or large sections of the visual field may be missing. This may be one sided loss, loss of one quadrant or other abnormalities. Color vision is often affected and people note that colors appear faded or cannot be discerned. If you have optic nerve disease your needs vary according to the underlying cause. Magnification often helps, sometimes white cane training is necessary, sometimes therapy to learn to read in spite of visual field loss is helpful. Improvement in lighting is always important.